CVE Vulnerabilities

CVE-2020-18898

Uncontrolled Recursion

Published: Aug 19, 2021 | Modified: Oct 26, 2022
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Ubuntu
NEGLIGIBLE

A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

Name Vendor Start Version End Version
Exiv2 Exiv2 0.27 (including) 0.27 (including)
Red Hat Enterprise Linux 8 RedHat compat-exiv2-026-0:0.26-7.el8 *
Red Hat Enterprise Linux 8 RedHat exiv2-0:0.27.5-2.el8 *
Exiv2 Ubuntu bionic *
Exiv2 Ubuntu hirsute *
Exiv2 Ubuntu impish *
Exiv2 Ubuntu kinetic *
Exiv2 Ubuntu trusty *
Exiv2 Ubuntu xenial *

Potential Mitigations

References